PASSIVE CONTROL DESIGN METHOD FOR MDOF SYSTEM COMPOSED OF BILINEAR + SLIP MODEL ADDED WITH VISCO-ELASTIC DAMPER

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  • MATSUDA Kazuhiro
    Assist. Prof., Struct. Eng. Res. Center, Tokyo Institute of Technology, Dr. Eng.
  • KASAI Kazuhiko
    Prof., Struct. Eng. Res. Center, Tokyo Institute of Technology, Ph. D.

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Other Title
  • バイリニア＋スリップモデルに粘弾性ダンパーを用いた制振構造の応答制御設計法
  • バイリニア+スリップモデル ニ ネンダンセイ ダンパー オ モチイタ セイシン コウゾウ ノ オウトウ セイギョ セッケイホウ

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 Simplified theories are proposed for seismic response evaluation and preliminary design of "Bi-linear + Slip model" assumed wooden structures added with visco-elastic dampers. They are based on the single-degree-of-freedom (SDOF) idealization of multistory building, and produce the control performance curve expressing the peak responses as a function of stiffness of all components, based on spectral characteristics of the earthquake. Against the target peak response, a rule to convert the SDOF design to multistory design, with consideration to distribute damper stiffness over the building height, is also presented. Accuracy of the approach is demonstrated by passive control design and time history simulations on a variety of 2-, 3- and 5-story models.

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